Jenny E. Ross / Male Wooly spider monkey / Northern muriqui (Brachyteles hypoxanthus) resting high in a tree top. Mata Atlantica, Minas Gerais, Brazil. September
00790150
Luciano Candisani / Northern Muriqui (Brachyteles hypoxanthus) habitat restoration by growing native trees of the Atlantic Forest, Caratinga Biological Station, Minas Gerais, Brazil
00790171
Luciano Candisani / Northern Muriqui (Brachyteles hypoxanthus) young playing, critically endangered species, largest new world monkey, Minas Gerais, Brazil
00790006
Luciano Candisani / Northern Muriqui (Brachyteles hypoxanthus) critically endangered species, largest new world monkey, Atlantic Forest, Minas Gerais, Brazil
00790005
Luciano Candisani / Northern Muriqui (Brachyteles hypoxanthus), male, climbing in canopy, critically endangered species, largest new world monkey, Atlantic Forest, Minas Gerais, Brazil
00790004
Luciano Candisani / Northern Muriqui (Brachyteles hypoxanthus) mother with baby on her back, critically endangered species, largest new world monkey, Atlantic Forest, Minas Gerais, Brazil
00790002
Luciano Candisani / Northern Muriqui (Brachyteles hypoxanthus) feeding on flowers, critically endangered species, largest new world monkey, Atlantic Forest, Minas Gerais, Brazil
00790001
Luciano Candisani / Northern Muriqui (Brachyteles hypoxanthus) critically endangered species, largest new world monkey, Atlantic Forest, Minas Gerais, Brazil
Mark Moffett / Northern Muriqui (Brachyteles hypoxanthus) group huddling together in a tree near the Caatinga Biological Station where a 2, 365 acre reserve protects this Atlantic Forest, Brazil
00750566
Mark Moffett / Northern Muriqui (Brachyteles hypoxanthus) group in a tree near the Caatinga Biological Station where a 2, 365 acre reserve protects the estimated 300 individuals that remain, Atlantic Forest, Brazil
00750565
Mark Moffett / Northern Muriqui (Brachyteles hypoxanthus) group in a tree near the Caatinga Biological Station where a 2, 365 acre reserve protects the estimated 300 individuals that remain, Atlantic Forest, Brazil
00750618
Mark Moffett / Northern Muriqui (Brachyteles hypoxanthus) baby in a tree at the Caatinga Biological Station where a 2, 365 acre reserve protects less than 300 individuals are thought to remain, Atlantic Forest, Braz...
00750616
Mark Moffett / Northern Muriqui (Brachyteles hypoxanthus) climbing on a tree trunk in the Caatinga Biological Station where a 2, 365 acre reserve protects these less than 300 individuals are thought to remain, Atlan...
00750615
Mark Moffett / Northern Muriqui (Brachyteles hypoxanthus) in a tree near the Caatinga Biological Station where a 2, 365 acre reserve protects less than 300 individuals are thought to remain, Atlantic Forest, Brazil
00750614
Mark Moffett / Northern Muriqui (Brachyteles hypoxanthus) peering down from a tree near the Caatinga Biological Station where a 2, 365 acre reserve protects less than 300 individuals are thought to remain, Atlantic...
00750617
Mark Moffett / Northern Muriqui (Brachyteles hypoxanthus) eating leaves in a tree at the Caatinga Biological Station where a 2, 365 acre reserve protects less than 300 individuals are thought to remain, Atlantic For...